黄河泥沙冲/沉积区土壤有机碳不同组分空间特征及变异机制
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张俊华, 李国栋, 王岩松, 朱连奇, 赵文亮, 丁亚鹏
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Spatial characteristics and variation mechanism of different soil organic carbon components in the alluvial/sedimentary zone of the Yellow River
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ZHANG Junhua, LI Guodong, WANG Yansong, ZHU Lianqi, ZHAO Wenliang, DING Yapeng
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表3 不同深度土壤有机碳及其组分空间分布的模拟误差
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Tab. 3 Simulation error of SOC spatial distribution, 0-100 cm belowground
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深度 (cm) | 指标 | 平均误差 (ME) | 均方根误差 (RMSE) | 平均标准误差 (ASE) | 均方误差 (MSE) | 均方根标准误差 (RMSSE) | 0~20 | TOC | 0.02 | 3.50 | 3.50 | 0.01 | 0.99 | AOC | 0.01 | 0.99 | 0.87 | 0.01 | 1.13 | NOC | 0.00 | 2.83 | 2.81 | 0.00 | 1.01 | 20~40 | TOC | 0.01 | 2.28 | 2.27 | 0.01 | 1.01 | AOC | 0.01 | 0.56 | 0.58 | 0.02 | 0.95 | NOC | 0.00 | 1.99 | 1.95 | 0.01 | 1.02 | 40~60 | TOC | 0.04 | 1.89 | 1.81 | 0.00 | 1.04 | AOC | 0.00 | 0.38 | 0.33 | 0.01 | 1.15 | NOC | 0.00 | 1.69 | 1.59 | 0.00 | 1.06 | 60~80 | TOC | 0.00 | 1.70 | 1.62 | 0.00 | 1.07 | AOC | 0.00 | 0.33 | 0.27 | 0.00 | 1.20 | NOC | 0.01 | 1.57 | 1.38 | -0.01 | 1.14 | 80~100 | TOC | -0.02 | 1.50 | 1.40 | -0.01 | 1.09 | AOC | 0.02 | 0.41 | 0.39 | 0.01 | 1.11 | NOC | -0.01 | 1.40 | 1.27 | -0.01 | 1.11 |
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